tests/python/plc.xml
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Mon, 16 Jan 2017 12:22:58 +0300
changeset 1636 ad3dee8b6d48
parent 1541 9be98ccfed97
child 2296 a2ab363f9e90
permissions -rw-r--r--
change white background for icons in PouInstanceVariablePanel to transparent

in wxPython 2.8 panel has white background and therefore white
background is appropriate, but in wxPython 3.0 panel has grey
background (on GNU/Linux and on Windows).
Transparent background looks good on both wxPython versions and on all platforms.
<?xml version='1.0' encoding='utf-8'?>
<project xmlns="http://www.plcopen.org/xml/tc6_0201" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xhtml="http://www.w3.org/1999/xhtml" xsi:schemaLocation="http://www.plcopen.org/xml/tc6_0201">
  <fileHeader companyName="" productName="Beremiz" productVersion="0.0" creationDateTime="2008-12-14T16:21:19" contentDescription="This example shows many features in Beremiz:&#10;&#10;   1. How to implement python extensions.&#10;   2. How to implement basic C extension.&#10;   3. How to use C code in IEC POUs.&#10;   4. How to call C functions from python code.&#10;   5. How to avoid race conditions between IEC, C and python code.&#10;   6. How to convert betweet different IEC types.&#10;"/>
  <contentHeader name="Beremiz Python Support Tests" modificationDateTime="2016-10-12T14:15:35">
    <coordinateInfo>
      <pageSize x="1024" y="1024"/>
      <fbd>
        <scaling x="5" y="5"/>
      </fbd>
      <ld>
        <scaling x="5" y="5"/>
      </ld>
      <sfc>
        <scaling x="5" y="5"/>
      </sfc>
    </coordinateInfo>
  </contentHeader>
  <types>
    <dataTypes>
      <dataType name="CPLX_TYPE">
        <baseType>
          <struct>
            <variable name="FIRSTBYTE">
              <type>
                <SINT/>
              </type>
            </variable>
            <variable name="SECONDBYTE">
              <type>
                <SINT/>
              </type>
            </variable>
          </struct>
        </baseType>
      </dataType>
      <dataType name="StateMachine">
        <baseType>
          <enum>
            <values>
              <value name="STANDBY"/>
              <value name="START"/>
              <value name="STOP"/>
            </values>
          </enum>
        </baseType>
      </dataType>
      <dataType name="datatype0">
        <baseType>
          <BOOL/>
        </baseType>
      </dataType>
    </dataTypes>
    <pous>
      <pou name="main_pytest" pouType="program">
        <interface>
          <localVars>
            <variable name="mux1_sel">
              <type>
                <INT/>
              </type>
              <initialValue>
                <simpleValue value="3"/>
              </initialValue>
            </variable>
            <variable name="mux2_sel">
              <type>
                <INT/>
              </type>
              <initialValue>
                <simpleValue value="3"/>
              </initialValue>
            </variable>
            <variable name="pytest_var1">
              <type>
                <string/>
              </type>
            </variable>
            <variable name="fefvsd">
              <type>
                <derived name="datatype0"/>
              </type>
            </variable>
            <variable name="pytest_var2">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="py1">
              <type>
                <derived name="python_eval"/>
              </type>
            </variable>
            <variable name="Block1">
              <type>
                <derived name="python_eval"/>
              </type>
            </variable>
            <variable name="Block2">
              <type>
                <derived name="python_eval"/>
              </type>
            </variable>
            <variable name="Block3">
              <type>
                <derived name="python_eval"/>
              </type>
            </variable>
            <variable name="pytest_var3">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="FromC">
              <type>
                <SINT/>
              </type>
            </variable>
            <variable name="C_Pragma0">
              <type>
                <derived name="C_Pragma"/>
              </type>
            </variable>
          </localVars>
          <externalVars>
            <variable name="TestInput">
              <type>
                <SINT/>
              </type>
            </variable>
            <variable name="TestOutput">
              <type>
                <SINT/>
              </type>
            </variable>
          </externalVars>
          <localVars>
            <variable name="FromInput">
              <type>
                <SINT/>
              </type>
            </variable>
            <variable name="Test_BCD">
              <type>
                <WORD/>
              </type>
              <initialValue>
                <simpleValue value="151"/>
              </initialValue>
            </variable>
            <variable name="Test_BCD_WRONG">
              <type>
                <WORD/>
              </type>
              <initialValue>
                <simpleValue value="154"/>
              </initialValue>
            </variable>
            <variable name="Test_BCD_CONVERTED">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="Test_BCD_RESULT">
              <type>
                <UINT/>
              </type>
            </variable>
            <variable name="Test_BCD_WRONG_RESULT">
              <type>
                <UINT/>
              </type>
            </variable>
            <variable name="Test_DT">
              <type>
                <DT/>
              </type>
              <initialValue>
                <simpleValue value="DT#2013-02-23-22:35:46"/>
              </initialValue>
            </variable>
            <variable name="Test_TOD">
              <type>
                <TOD/>
              </type>
            </variable>
            <variable name="Test_TOD_STRING">
              <type>
                <string/>
              </type>
            </variable>
            <variable name="Test_Date">
              <type>
                <DATE/>
              </type>
            </variable>
            <variable name="Test_String">
              <type>
                <string/>
              </type>
              <initialValue>
                <simpleValue value="test"/>
              </initialValue>
            </variable>
            <variable name="Test_Bool">
              <type>
                <BOOL/>
              </type>
            </variable>
          </localVars>
          <externalVars>
            <variable name="Global_RS">
              <type>
                <derived name="RS"/>
              </type>
            </variable>
            <variable name="TUTU">
              <type>
                <INT/>
              </type>
            </variable>
            <variable name="TOTO">
              <type>
                <INT/>
              </type>
            </variable>
            <variable name="Test_Python_Var">
              <type>
                <INT/>
              </type>
            </variable>
            <variable name="Second_Python_Var">
              <type>
                <INT/>
              </type>
            </variable>
          </externalVars>
        </interface>
        <body>
          <FBD>
            <inVariable localId="4" height="30" width="160" executionOrderId="0" negated="false">
              <position x="295" y="450"/>
              <connectionPointOut>
                <relPosition x="160" y="15"/>
              </connectionPointOut>
              <expression>'time.sleep(1)'</expression>
            </inVariable>
            <block localId="5" width="125" height="80" typeName="python_eval" instanceName="py1" executionOrderId="0">
              <position x="650" y="400"/>
              <inputVariables>
                <variable formalParameter="TRIG">
                  <connectionPointIn>
                    <relPosition x="0" y="35"/>
                    <connection refLocalId="7" formalParameter="OUT">
                      <position x="650" y="435"/>
                      <position x="285" y="435"/>
                      <position x="285" y="480"/>
                      <position x="250" y="480"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="CODE">
                  <connectionPointIn>
                    <relPosition x="0" y="65"/>
                    <connection refLocalId="4">
                      <position x="650" y="465"/>
                      <position x="455" y="465"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="ACK">
                  <connectionPointOut>
                    <relPosition x="125" y="35"/>
                  </connectionPointOut>
                </variable>
                <variable formalParameter="RESULT">
                  <connectionPointOut>
                    <relPosition x="125" y="65"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <block localId="7" width="70" height="45" typeName="NOT" executionOrderId="0">
              <position x="180" y="450"/>
              <inputVariables>
                <variable formalParameter="IN">
                  <connectionPointIn>
                    <relPosition x="0" y="30"/>
                    <connection refLocalId="3">
                      <position x="180" y="480"/>
                      <position x="155" y="480"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="OUT">
                  <connectionPointOut>
                    <relPosition x="70" y="30"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <inOutVariable localId="3" height="30" width="120" executionOrderId="0" negatedOut="false" negatedIn="false">
              <position x="35" y="465"/>
              <connectionPointIn>
                <relPosition x="0" y="15"/>
                <connection refLocalId="7" formalParameter="OUT">
                  <position x="35" y="480"/>
                  <position x="25" y="480"/>
                  <position x="25" y="440"/>
                  <position x="270" y="440"/>
                  <position x="270" y="480"/>
                  <position x="250" y="480"/>
                </connection>
              </connectionPointIn>
              <connectionPointOut>
                <relPosition x="120" y="15"/>
              </connectionPointOut>
              <expression>pytest_var2</expression>
            </inOutVariable>
            <block localId="8" width="125" height="80" typeName="python_eval" instanceName="Block1" executionOrderId="0">
              <position x="650" y="515"/>
              <inputVariables>
                <variable formalParameter="TRIG">
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                    <connection refLocalId="7" formalParameter="OUT">
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                      <position x="285" y="480"/>
                      <position x="250" y="480"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="CODE">
                  <connectionPointIn>
                    <relPosition x="0" y="65"/>
                    <connection refLocalId="9">
                      <position x="650" y="580"/>
                      <position x="585" y="580"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="ACK">
                  <connectionPointOut>
                    <relPosition x="125" y="35"/>
                  </connectionPointOut>
                </variable>
                <variable formalParameter="RESULT">
                  <connectionPointOut>
                    <relPosition x="125" y="65"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
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              <position x="295" y="565"/>
              <connectionPointOut>
                <relPosition x="290" y="15"/>
              </connectionPointOut>
              <expression>'sys.stdout.write("FBID :"+str(FBID)+"\n")'</expression>
            </inVariable>
            <inVariable localId="11" height="30" width="290" executionOrderId="0" negated="false">
              <position x="295" y="685"/>
              <connectionPointOut>
                <relPosition x="290" y="15"/>
              </connectionPointOut>
              <expression>'PLCBinary.Simple_C_Call(5678)'</expression>
            </inVariable>
            <block localId="12" width="125" height="80" typeName="python_eval" instanceName="Block2" executionOrderId="0">
              <position x="650" y="637"/>
              <inputVariables>
                <variable formalParameter="TRIG">
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                      <position x="250" y="480"/>
                    </connection>
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                <variable formalParameter="CODE">
                  <connectionPointIn>
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                    <connection refLocalId="11">
                      <position x="650" y="700"/>
                      <position x="585" y="700"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="ACK">
                  <connectionPointOut>
                    <relPosition x="125" y="33"/>
                  </connectionPointOut>
                </variable>
                <variable formalParameter="RESULT">
                  <connectionPointOut>
                    <relPosition x="125" y="63"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <inVariable localId="14" height="30" width="290" executionOrderId="0" negated="false">
              <position x="290" y="810"/>
              <connectionPointOut>
                <relPosition x="290" y="15"/>
              </connectionPointOut>
              <expression>'MyPythonFunc(42)'</expression>
            </inVariable>
            <block localId="15" width="125" height="80" typeName="python_eval" instanceName="Block3" executionOrderId="0">
              <position x="650" y="762"/>
              <inputVariables>
                <variable formalParameter="TRIG">
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                    <relPosition x="0" y="33"/>
                    <connection refLocalId="7" formalParameter="OUT">
                      <position x="650" y="795"/>
                      <position x="285" y="795"/>
                      <position x="285" y="480"/>
                      <position x="250" y="480"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="CODE">
                  <connectionPointIn>
                    <relPosition x="0" y="63"/>
                    <connection refLocalId="14">
                      <position x="650" y="825"/>
                      <position x="580" y="825"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="ACK">
                  <connectionPointOut>
                    <relPosition x="125" y="33"/>
                  </connectionPointOut>
                </variable>
                <variable formalParameter="RESULT">
                  <connectionPointOut>
                    <relPosition x="125" y="63"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <comment localId="16" height="90" width="680">
              <position x="35" y="275"/>
              <content>
                <xhtml:p><![CDATA[This part of the example test that, despite of 2T period clock stimulating TRIG pin of pyth_eval blocks, blocks keep executing one after the other, in respect of execution order.]]></xhtml:p>
              </content>
            </comment>
            <block localId="17" width="80" height="120" typeName="MUX" executionOrderId="0">
              <position x="1065" y="715"/>
              <inputVariables>
                <variable formalParameter="K">
                  <connectionPointIn>
                    <relPosition x="0" y="30"/>
                    <connection refLocalId="18">
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                      <position x="1040" y="745"/>
                      <position x="1040" y="735"/>
                      <position x="1015" y="735"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="IN0">
                  <connectionPointIn>
                    <relPosition x="0" y="50"/>
                    <connection refLocalId="5" formalParameter="RESULT">
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                      <position x="905" y="765"/>
                      <position x="905" y="465"/>
                      <position x="775" y="465"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="IN1">
                  <connectionPointIn>
                    <relPosition x="0" y="70"/>
                    <connection refLocalId="8" formalParameter="RESULT">
                      <position x="1065" y="785"/>
                      <position x="890" y="785"/>
                      <position x="890" y="580"/>
                      <position x="775" y="580"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="IN2">
                  <connectionPointIn>
                    <relPosition x="0" y="90"/>
                    <connection refLocalId="12" formalParameter="RESULT">
                      <position x="1065" y="805"/>
                      <position x="875" y="805"/>
                      <position x="875" y="700"/>
                      <position x="775" y="700"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="IN3">
                  <connectionPointIn>
                    <relPosition x="0" y="110"/>
                    <connection refLocalId="15" formalParameter="RESULT">
                      <position x="1065" y="825"/>
                      <position x="775" y="825"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="OUT">
                  <connectionPointOut>
                    <relPosition x="80" y="30"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <outVariable localId="19" height="35" width="125" executionOrderId="0" negated="false">
              <position x="1235" y="730"/>
              <connectionPointIn>
                <relPosition x="0" y="15"/>
                <connection refLocalId="17" formalParameter="OUT">
                  <position x="1235" y="745"/>
                  <position x="1145" y="745"/>
                </connection>
              </connectionPointIn>
              <expression>pytest_var1</expression>
            </outVariable>
            <block localId="21" width="80" height="120" typeName="MUX" executionOrderId="0">
              <position x="1070" y="385"/>
              <inputVariables>
                <variable formalParameter="K">
                  <connectionPointIn>
                    <relPosition x="0" y="30"/>
                    <connection refLocalId="22">
                      <position x="1070" y="415"/>
                      <position x="1040" y="415"/>
                      <position x="1040" y="405"/>
                      <position x="1010" y="405"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="IN0">
                  <connectionPointIn>
                    <relPosition x="0" y="50"/>
                    <connection refLocalId="5" formalParameter="ACK">
                      <position x="1070" y="435"/>
                      <position x="775" y="435"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="IN1">
                  <connectionPointIn>
                    <relPosition x="0" y="70"/>
                    <connection refLocalId="8" formalParameter="ACK">
                      <position x="1070" y="455"/>
                      <position x="805" y="455"/>
                      <position x="805" y="550"/>
                      <position x="775" y="550"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="IN2">
                  <connectionPointIn>
                    <relPosition x="0" y="90"/>
                    <connection refLocalId="12" formalParameter="ACK">
                      <position x="1070" y="475"/>
                      <position x="820" y="475"/>
                      <position x="820" y="670"/>
                      <position x="775" y="670"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="IN3">
                  <connectionPointIn>
                    <relPosition x="0" y="110"/>
                    <connection refLocalId="15" formalParameter="ACK">
                      <position x="1070" y="495"/>
                      <position x="835" y="495"/>
                      <position x="835" y="795"/>
                      <position x="775" y="795"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="OUT">
                  <connectionPointOut>
                    <relPosition x="80" y="30"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <inVariable localId="22" height="30" width="65" executionOrderId="0" negated="false">
              <position x="945" y="390"/>
              <connectionPointOut>
                <relPosition x="65" y="15"/>
              </connectionPointOut>
              <expression>mux1_sel</expression>
            </inVariable>
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              <position x="1235" y="400"/>
              <connectionPointIn>
                <relPosition x="0" y="15"/>
                <connection refLocalId="21" formalParameter="OUT">
                  <position x="1235" y="415"/>
                  <position x="1150" y="415"/>
                </connection>
              </connectionPointIn>
              <expression>pytest_var3</expression>
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            <outVariable localId="25" height="30" width="60" executionOrderId="0" negated="false">
              <position x="320" y="1075"/>
              <connectionPointIn>
                <relPosition x="0" y="15"/>
                <connection refLocalId="26" formalParameter="OUT">
                  <position x="320" y="1090"/>
                  <position x="265" y="1090"/>
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              </connectionPointIn>
              <expression>FromC</expression>
            </outVariable>
            <inVariable localId="1" height="30" width="30" executionOrderId="0" negated="false">
              <position x="105" y="1075"/>
              <connectionPointOut>
                <relPosition x="30" y="15"/>
              </connectionPointOut>
              <expression>23</expression>
            </inVariable>
            <block localId="26" width="80" height="45" typeName="C_Pragma" instanceName="C_Pragma0" executionOrderId="0">
              <position x="185" y="1060"/>
              <inputVariables>
                <variable formalParameter="IN">
                  <connectionPointIn>
                    <relPosition x="0" y="30"/>
                    <connection refLocalId="1">
                      <position x="185" y="1090"/>
                      <position x="135" y="1090"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="OUT">
                  <connectionPointOut>
                    <relPosition x="80" y="30"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <inVariable localId="27" height="30" width="90" executionOrderId="0" negated="false">
              <position x="100" y="1190"/>
              <connectionPointOut>
                <relPosition x="90" y="15"/>
              </connectionPointOut>
              <expression>TestInput</expression>
            </inVariable>
            <outVariable localId="28" height="30" width="105" executionOrderId="0" negated="false">
              <position x="195" y="1125"/>
              <connectionPointIn>
                <relPosition x="0" y="15"/>
                <connection refLocalId="2">
                  <position x="195" y="1140"/>
                  <position x="140" y="1140"/>
                </connection>
              </connectionPointIn>
              <expression>TestOutput</expression>
            </outVariable>
            <outVariable localId="29" height="30" width="85" executionOrderId="0" negated="false">
              <position x="215" y="1190"/>
              <connectionPointIn>
                <relPosition x="0" y="15"/>
                <connection refLocalId="27">
                  <position x="215" y="1205"/>
                  <position x="190" y="1205"/>
                </connection>
              </connectionPointIn>
              <expression>FromInput</expression>
            </outVariable>
            <inVariable localId="2" height="30" width="30" executionOrderId="0" negated="false">
              <position x="110" y="1125"/>
              <connectionPointOut>
                <relPosition x="30" y="15"/>
              </connectionPointOut>
              <expression>10</expression>
            </inVariable>
            <comment localId="30" height="75" width="465">
              <position x="50" y="945"/>
              <content>
                <xhtml:p><![CDATA[You will be ready to use beremiz with C and Python when you will understand why "FromInput" is equal  to 75.
Happy hacking! ]]></xhtml:p>
              </content>
            </comment>
            <comment localId="31" height="60" width="345">
              <position x="295" y="485"/>
              <content>
                <xhtml:p><![CDATA[Sleep here is bad. It blocks other py_eval instances. Whith a wxGlade GUI, GUI freeze for a second.]]></xhtml:p>
              </content>
            </comment>
            <comment localId="6" height="60" width="345">
              <position x="295" y="600"/>
              <content>
                <xhtml:p><![CDATA[Prints FBID to stdout of PLC runtime. FBID is a unique reference to py_eval instance.]]></xhtml:p>
              </content>
            </comment>
            <comment localId="10" height="60" width="345">
              <position x="295" y="720"/>
              <content>
                <xhtml:p><![CDATA[Simple_C_Call is declared in C_File "1.x:c_code". See python ctypes manual for details on typing.]]></xhtml:p>
              </content>
            </comment>
            <comment localId="32" height="105" width="235">
              <position x="25" y="505"/>
              <content>
                <xhtml:p><![CDATA[Fast clock, at least faster that sleep(1). See what happens when python takes time to answer : PLC continues.]]></xhtml:p>
              </content>
            </comment>
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              <position x="580" y="1564"/>
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                <relPosition x="0" y="16"/>
                <connection refLocalId="35" formalParameter="OUT">
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              <expression>Test_BCD_RESULT</expression>
            </outVariable>
            <inVariable localId="34" height="30" width="75" executionOrderId="0" negated="false">
              <position x="60" y="1564"/>
              <connectionPointOut>
                <relPosition x="75" y="16"/>
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              <expression>Test_BCD</expression>
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              <position x="265" y="1539"/>
              <inputVariables>
                <variable formalParameter="IN">
                  <connectionPointIn>
                    <relPosition x="0" y="41"/>
                    <connection refLocalId="34">
                      <position x="265" y="1580"/>
                      <position x="135" y="1580"/>
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                  </connectionPointIn>
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              <position x="60" y="1774"/>
              <connectionPointOut>
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              <expression>Test_DT</expression>
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              <position x="265" y="1759"/>
              <inputVariables>
                <variable formalParameter="IN">
                  <connectionPointIn>
                    <relPosition x="0" y="31"/>
                    <connection refLocalId="36">
                      <position x="265" y="1790"/>
                      <position x="125" y="1790"/>
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                  </connectionPointIn>
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              <outputVariables>
                <variable formalParameter="OUT">
                  <connectionPointOut>
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            <block localId="38" width="195" height="45" typeName="DATE_AND_TIME_TO_DATE" executionOrderId="0">
              <position x="265" y="1834"/>
              <inputVariables>
                <variable formalParameter="IN">
                  <connectionPointIn>
                    <relPosition x="0" y="31"/>
                    <connection refLocalId="36">
                      <position x="265" y="1865"/>
                      <position x="242" y="1865"/>
                      <position x="242" y="1790"/>
                      <position x="125" y="1790"/>
                    </connection>
                  </connectionPointIn>
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                <variable formalParameter="OUT">
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              <position x="580" y="1849"/>
              <connectionPointIn>
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                  <position x="580" y="1865"/>
                  <position x="460" y="1865"/>
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              <expression>Test_Date</expression>
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            <outVariable localId="42" height="30" width="90" executionOrderId="0" negated="false">
              <position x="465" y="1944"/>
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                  <position x="465" y="1960"/>
                  <position x="395" y="1960"/>
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              <position x="465" y="2014"/>
              <connectionPointIn>
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                  <position x="465" y="2030"/>
                  <position x="400" y="2030"/>
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              <expression>Test_Bool</expression>
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            <block localId="44" width="135" height="45" typeName="STRING_TO_BOOL" executionOrderId="0">
              <position x="265" y="1999"/>
              <inputVariables>
                <variable formalParameter="IN">
                  <connectionPointIn>
                    <relPosition x="0" y="31"/>
                    <connection refLocalId="45">
                      <position x="265" y="2030"/>
                      <position x="115" y="2030"/>
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                  </connectionPointIn>
                </variable>
              </inputVariables>
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              <outputVariables>
                <variable formalParameter="OUT">
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                    <relPosition x="135" y="31"/>
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              <position x="60" y="2014"/>
              <connectionPointOut>
                <relPosition x="55" y="16"/>
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              <expression>'True'</expression>
            </inVariable>
            <block localId="46" width="130" height="45" typeName="INT_TO_STRING" executionOrderId="0">
              <position x="265" y="1929"/>
              <inputVariables>
                <variable formalParameter="IN">
                  <connectionPointIn>
                    <relPosition x="0" y="31"/>
                    <connection refLocalId="58">
                      <position x="265" y="1960"/>
                      <position x="205" y="1960"/>
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                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="OUT">
                  <connectionPointOut>
                    <relPosition x="130" y="31"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <inVariable localId="50" height="30" width="105" executionOrderId="0" negated="false">
              <position x="75" y="2275"/>
              <connectionPointOut>
                <relPosition x="105" y="15"/>
              </connectionPointOut>
              <expression>Global_RS.Q1</expression>
            </inVariable>
            <block localId="51" width="70" height="85" typeName="AND" executionOrderId="0">
              <position x="240" y="2255"/>
              <inputVariables>
                <variable formalParameter="IN1" negated="true">
                  <connectionPointIn>
                    <relPosition x="0" y="35"/>
                    <connection refLocalId="50">
                      <position x="240" y="2290"/>
                      <position x="180" y="2290"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="IN2">
                  <connectionPointIn>
                    <relPosition x="0" y="70"/>
                    <connection refLocalId="52">
                      <position x="240" y="2325"/>
                      <position x="180" y="2325"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="OUT">
                  <connectionPointOut>
                    <relPosition x="70" y="35"/>
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                </variable>
              </outputVariables>
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              <position x="75" y="2310"/>
              <connectionPointOut>
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              <expression>BOOL#TRUE</expression>
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              <position x="385" y="2275"/>
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              <expression>Global_RS.R1</expression>
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              <expression>Global_RS.Q1</expression>
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            <block localId="41" width="70" height="85" typeName="OR" executionOrderId="0">
              <position x="240" y="2370"/>
              <inputVariables>
                <variable formalParameter="IN1">
                  <connectionPointIn>
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                    <connection refLocalId="24">
                      <position x="240" y="2405"/>
                      <position x="180" y="2405"/>
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                <variable formalParameter="IN2">
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                      <position x="240" y="2440"/>
                      <position x="180" y="2440"/>
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              <position x="75" y="2425"/>
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              <expression>BOOL#FALSE</expression>
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              <position x="930" y="1774"/>
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                <connection refLocalId="55" formalParameter="OUT">
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                  <position x="855" y="1790"/>
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              </connectionPointIn>
              <expression>Test_TOD_STRING</expression>
            </outVariable>
            <block localId="55" width="125" height="45" typeName="TOD_TO_STRING" executionOrderId="0">
              <position x="730" y="1759"/>
              <inputVariables>
                <variable formalParameter="IN">
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                    <connection refLocalId="39">
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                      <position x="655" y="1790"/>
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              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="OUT">
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                    <relPosition x="125" y="31"/>
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                  <position x="520" y="1790"/>
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              <expression>Test_TOD</expression>
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              <position x="160" y="2510"/>
              <connectionPointOut>
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              <expression>42</expression>
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                  <position x="240" y="2525"/>
                  <position x="190" y="2525"/>
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              <expression>TOTO</expression>
            </outVariable>
            <outVariable localId="56" height="30" width="50" executionOrderId="0" negated="false">
              <position x="240" y="2550"/>
              <connectionPointIn>
                <relPosition x="0" y="15"/>
                <connection refLocalId="49">
                  <position x="240" y="2565"/>
                  <position x="215" y="2565"/>
                  <position x="215" y="2525"/>
                  <position x="190" y="2525"/>
                </connection>
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              <expression>TUTU</expression>
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              <position x="60" y="1944"/>
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                <relPosition x="145" y="16"/>
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              <expression>Second_Python_Var</expression>
            </inVariable>
            <outVariable localId="47" height="30" width="125" executionOrderId="0" negated="false">
              <position x="200" y="1385"/>
              <connectionPointIn>
                <relPosition x="0" y="15"/>
                <connection refLocalId="59">
                  <position x="200" y="1400"/>
                  <position x="130" y="1400"/>
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              </connectionPointIn>
              <expression>Test_Python_Var</expression>
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            <inVariable localId="59" height="30" width="30" executionOrderId="0" negated="false">
              <position x="100" y="1385"/>
              <connectionPointOut>
                <relPosition x="30" y="15"/>
              </connectionPointOut>
              <expression>23</expression>
            </inVariable>
            <block localId="61" typeName="function0" executionOrderId="0" height="45" width="110">
              <position x="760" y="1170"/>
              <inputVariables>
                <variable formalParameter="LocalVar0">
                  <connectionPointIn>
                    <relPosition x="0" y="30"/>
                    <connection refLocalId="62">
                      <position x="760" y="1200"/>
                      <position x="720" y="1200"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="OUT">
                  <connectionPointOut>
                    <relPosition x="110" y="30"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <inVariable localId="62" executionOrderId="0" height="30" width="55" negated="false">
              <position x="665" y="1185"/>
              <connectionPointOut>
                <relPosition x="55" y="15"/>
              </connectionPointOut>
              <expression>fefvsd</expression>
            </inVariable>
            <outVariable localId="63" executionOrderId="0" height="30" width="55" negated="false">
              <position x="905" y="1185"/>
              <connectionPointIn>
                <relPosition x="0" y="15"/>
                <connection refLocalId="61" formalParameter="OUT">
                  <position x="905" y="1200"/>
                  <position x="870" y="1200"/>
                </connection>
              </connectionPointIn>
              <expression>fefvsd</expression>
            </outVariable>
            <comment localId="53" height="65" width="420">
              <position x="75" y="2160"/>
              <content>
                <xhtml:p><![CDATA[Shows global variables access from resource configuration (res_pytest) and from project's configuration.]]></xhtml:p>
              </content>
            </comment>
            <inVariable localId="18" height="30" width="65" executionOrderId="0" negated="false">
              <position x="950" y="720"/>
              <connectionPointOut>
                <relPosition x="65" y="15"/>
              </connectionPointOut>
              <expression>mux2_sel</expression>
            </inVariable>
            <comment localId="60" height="45" width="930">
              <position x="60" y="1480"/>
              <content>
                <xhtml:p><![CDATA[Here is shown how to convert values between different types (BCD, DT, TOD, STRING and others) using standard functions.]]></xhtml:p>
              </content>
            </comment>
            <comment localId="64" height="55" width="300">
              <position x="665" y="1095"/>
              <content>
                <xhtml:p><![CDATA[Example of usage of user-defined function.]]></xhtml:p>
              </content>
            </comment>
            <comment localId="65" height="45" width="410">
              <position x="55" y="1315"/>
              <content>
                <xhtml:p><![CDATA[Shows access variable defined in python extension. ]]></xhtml:p>
              </content>
            </comment>
            <inVariable localId="66" height="30" width="130" executionOrderId="0" negated="false">
              <position x="60" y="1685"/>
              <connectionPointOut>
                <relPosition x="130" y="15"/>
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              <expression>Test_BCD_WRONG</expression>
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              <position x="265" y="1620"/>
              <inputVariables>
                <variable formalParameter="EN">
                  <connectionPointIn>
                    <relPosition x="0" y="40"/>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="IN">
                  <connectionPointIn>
                    <relPosition x="0" y="80"/>
                    <connection refLocalId="66">
                      <position x="265" y="1700"/>
                      <position x="255" y="1700"/>
                      <position x="255" y="1700"/>
                      <position x="345" y="1700"/>
                      <position x="345" y="1700"/>
                      <position x="190" y="1700"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="ENO">
                  <connectionPointOut>
                    <relPosition x="105" y="40"/>
                  </connectionPointOut>
                </variable>
                <variable formalParameter="OUT">
                  <connectionPointOut>
                    <relPosition x="105" y="80"/>
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                </variable>
              </outputVariables>
            </block>
            <outVariable localId="68" height="30" width="185" executionOrderId="0" negated="false">
              <position x="580" y="1685"/>
              <connectionPointIn>
                <relPosition x="0" y="15"/>
                <connection refLocalId="67" formalParameter="OUT">
                  <position x="580" y="1700"/>
                  <position x="370" y="1700"/>
                </connection>
              </connectionPointIn>
              <expression>Test_BCD_WRONG_RESULT</expression>
            </outVariable>
            <comment localId="69" height="135" width="375">
              <position x="795" y="1590"/>
              <content>
                <xhtml:p><![CDATA[Incorrect BCD number is not converted to UINT.

151 (16#97) is good BCD number , but 
154 (16#9A) is not.  

Try this out and look at value of  Test_BCD_CONVERTED variable.


]]></xhtml:p>
              </content>
            </comment>
            <outVariable localId="70" height="30" width="185" executionOrderId="0" negated="false">
              <position x="580" y="1645"/>
              <connectionPointIn>
                <relPosition x="0" y="15"/>
                <connection refLocalId="67" formalParameter="ENO">
                  <position x="580" y="1660"/>
                  <position x="370" y="1660"/>
                </connection>
              </connectionPointIn>
              <expression>Test_BCD_CONVERTED</expression>
            </outVariable>
            <comment localId="71" height="170" width="680">
              <position x="35" y="30"/>
              <content>
                <xhtml:p><![CDATA[This example shows many features in Beremiz:

   1. How to implement python extensions.
   2. How to implement basic C extension.
   3. How to use C code in IEC POUs.
   4. How to call C functions from python code.
   5. How to avoid race conditions between IEC, C and python code.
   6. How to convert betweet different IEC types.
]]></xhtml:p>
              </content>
            </comment>
          </FBD>
        </body>
      </pou>
      <pou name="C_Pragma" pouType="functionBlock">
        <interface>
          <outputVars>
            <variable name="OUT">
              <type>
                <SINT/>
              </type>
            </variable>
          </outputVars>
          <inputVars>
            <variable name="IN">
              <type>
                <SINT/>
              </type>
            </variable>
          </inputVars>
          <localVars>
            <variable name="COORDS">
              <type>
                <array>
                  <dimension lower="0" upper="5"/>
                  <baseType>
                    <SINT/>
                  </baseType>
                </array>
              </type>
              <initialValue>
                <arrayValue>
                  <value>
                    <simpleValue value="54"/>
                  </value>
                  <value>
                    <simpleValue value="55"/>
                  </value>
                  <value>
                    <simpleValue value="56"/>
                  </value>
                  <value>
                    <simpleValue value="57"/>
                  </value>
                  <value>
                    <simpleValue value="58"/>
                  </value>
                  <value>
                    <simpleValue value="59"/>
                  </value>
                </arrayValue>
              </initialValue>
            </variable>
            <variable name="SMURF">
              <type>
                <derived name="CPLX_TYPE"/>
              </type>
            </variable>
          </localVars>
          <externalVars>
            <variable name="Global_RS">
              <type>
                <derived name="RS"/>
              </type>
            </variable>
          </externalVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[(* hereafter is a C pragma accessing FB interface in a clean way *)
{{
  char toPLC;
  char fromPLC = GetFbVar(IN);
  extern int PLC_C_Call(char, char *);
  if(PLC_C_Call(fromPLC, &toPLC)){
    SetFbVar(OUT, toPLC);
  }
  if(0){
    /* that code demonstrate C access to complex types */
    char somebyte = GetFbVar(COORDS, .table[3]);
    SetFbVar(SMURF, somebyte, .FIRSTBYTE);
    SetFbVar(COORDS, somebyte, .table[4]);
  }
}}
(* If you do not use GetFbVar and SetFbVar macros, expect unexpected behaviour*)
Global_RS();
]]></xhtml:p>
          </ST>
        </body>
      </pou>
      <pou name="norm" pouType="function">
        <interface>
          <returnType>
            <REAL/>
          </returnType>
          <inputVars>
            <variable name="IN1">
              <type>
                <REAL/>
              </type>
            </variable>
            <variable name="IN2">
              <type>
                <REAL/>
              </type>
            </variable>
          </inputVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[NORM := SQRT(IN1 * IN1 + IN2 * IN2);]]></xhtml:p>
          </ST>
        </body>
      </pou>
      <pou name="function0" pouType="function">
        <interface>
          <returnType>
            <derived name="datatype0"/>
          </returnType>
          <inputVars>
            <variable name="LocalVar0">
              <type>
                <derived name="datatype0"/>
              </type>
            </variable>
          </inputVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[function0 := LocalVar0;
]]></xhtml:p>
          </ST>
        </body>
      </pou>
    </pous>
  </types>
  <instances>
    <configurations>
      <configuration name="config">
        <resource name="res_pytest">
          <task name="pytest_task" interval="T#1ms" priority="0"/>
          <globalVars>
            <variable name="TOTO">
              <type>
                <INT/>
              </type>
            </variable>
          </globalVars>
          <pouInstance name="pytest_instance" typeName="main_pytest"/>
        </resource>
        <globalVars>
          <variable name="Global_RS">
            <type>
              <derived name="RS"/>
            </type>
          </variable>
          <variable name="TUTU">
            <type>
              <INT/>
            </type>
          </variable>
        </globalVars>
      </configuration>
    </configurations>
  </instances>
</project>